setup-python/node_modules/jest-haste-map/build/crawlers/node.js
Danny McCormick 39c08a0eaa Initial pass
2019-06-26 21:12:00 -04:00

268 lines
5.9 KiB
JavaScript

'use strict';
function _fs() {
const data = _interopRequireDefault(require('fs'));
_fs = function _fs() {
return data;
};
return data;
}
function _path() {
const data = _interopRequireDefault(require('path'));
_path = function _path() {
return data;
};
return data;
}
function _child_process() {
const data = require('child_process');
_child_process = function _child_process() {
return data;
};
return data;
}
var _constants = _interopRequireDefault(require('../constants'));
var fastPath = _interopRequireWildcard(require('../lib/fast_path'));
function _interopRequireWildcard(obj) {
if (obj && obj.__esModule) {
return obj;
} else {
var newObj = {};
if (obj != null) {
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key)) {
var desc =
Object.defineProperty && Object.getOwnPropertyDescriptor
? Object.getOwnPropertyDescriptor(obj, key)
: {};
if (desc.get || desc.set) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
}
newObj.default = obj;
return newObj;
}
}
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
function _slicedToArray(arr, i) {
return (
_arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest()
);
}
function _nonIterableRest() {
throw new TypeError('Invalid attempt to destructure non-iterable instance');
}
function _iterableToArrayLimit(arr, i) {
var _arr = [];
var _n = true;
var _d = false;
var _e = undefined;
try {
for (
var _i = arr[Symbol.iterator](), _s;
!(_n = (_s = _i.next()).done);
_n = true
) {
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally {
try {
if (!_n && _i['return'] != null) _i['return']();
} finally {
if (_d) throw _e;
}
}
return _arr;
}
function _arrayWithHoles(arr) {
if (Array.isArray(arr)) return arr;
}
function find(roots, extensions, ignore, callback) {
const result = [];
let activeCalls = 0;
function search(directory) {
activeCalls++;
_fs().default.readdir(directory, (err, names) => {
activeCalls--;
if (err) {
callback(result);
return;
}
names.forEach(file => {
file = _path().default.join(directory, file);
if (ignore(file)) {
return;
}
activeCalls++;
_fs().default.lstat(file, (err, stat) => {
activeCalls--;
if (!err && stat && !stat.isSymbolicLink()) {
if (stat.isDirectory()) {
search(file);
} else {
const ext = _path()
.default.extname(file)
.substr(1);
if (extensions.indexOf(ext) !== -1) {
result.push([file, stat.mtime.getTime(), stat.size]);
}
}
}
if (activeCalls === 0) {
callback(result);
}
});
});
if (activeCalls === 0) {
callback(result);
}
});
}
if (roots.length > 0) {
roots.forEach(search);
} else {
callback(result);
}
}
function findNative(roots, extensions, ignore, callback) {
const args = Array.from(roots);
args.push('-type', 'f');
if (extensions.length) {
args.push('(');
}
extensions.forEach((ext, index) => {
if (index) {
args.push('-o');
}
args.push('-iname');
args.push('*.' + ext);
});
if (extensions.length) {
args.push(')');
}
const child = (0, _child_process().spawn)('find', args);
let stdout = '';
if (child.stdout === null) {
throw new Error(
'stdout is null - this should never happen. Please open up an issue at https://github.com/facebook/jest'
);
}
child.stdout.setEncoding('utf-8');
child.stdout.on('data', data => (stdout += data));
child.stdout.on('close', () => {
const lines = stdout
.trim()
.split('\n')
.filter(x => !ignore(x));
const result = [];
let count = lines.length;
if (!count) {
callback([]);
} else {
lines.forEach(path => {
_fs().default.stat(path, (err, stat) => {
if (!err && stat) {
result.push([path, stat.mtime.getTime(), stat.size]);
}
if (--count === 0) {
callback(result);
}
});
});
}
});
}
module.exports = function nodeCrawl(options) {
const data = options.data,
extensions = options.extensions,
forceNodeFilesystemAPI = options.forceNodeFilesystemAPI,
ignore = options.ignore,
rootDir = options.rootDir,
roots = options.roots;
return new Promise(resolve => {
const callback = list => {
const files = new Map();
const removedFiles = new Map(data.files);
list.forEach(fileData => {
const _fileData = _slicedToArray(fileData, 3),
filePath = _fileData[0],
mtime = _fileData[1],
size = _fileData[2];
const relativeFilePath = fastPath.relative(rootDir, filePath);
const existingFile = data.files.get(relativeFilePath);
if (existingFile && existingFile[_constants.default.MTIME] === mtime) {
files.set(relativeFilePath, existingFile);
} else {
// See ../constants.js; SHA-1 will always be null and fulfilled later.
files.set(relativeFilePath, ['', mtime, size, 0, '', null]);
}
removedFiles.delete(relativeFilePath);
});
data.files = files;
resolve({
hasteMap: data,
removedFiles
});
};
if (forceNodeFilesystemAPI || process.platform === 'win32') {
find(roots, extensions, ignore, callback);
} else {
findNative(roots, extensions, ignore, callback);
}
});
};